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mesa3d_draw6.c
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/******************************************************************************
* Copyright (c) 2024 Jaroslav Hensl *
* *
* Permission is hereby granted, free of charge, to any person *
* obtaining a copy of this software and associated documentation *
* files (the "Software"), to deal in the Software without *
* restriction, including without limitation the rights to use, *
* copy, modify, merge, publish, distribute, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be *
* included in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, *
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES *
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND *
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, *
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
* OTHER DEALINGS IN THE SOFTWARE. *
* *
******************************************************************************/
#ifndef NUKED_SKIP
#include <windows.h>
#include <stddef.h>
#include <stdint.h>
#include <ddraw.h>
#include <ddrawi.h>
#include <stddef.h>
#include <stdint.h>
#include <math.h>
#include "vmdahal32.h"
#include "vmhal9x.h"
#include "mesa3d.h"
#include "osmesa.h"
#include "d3dhal_ddk.h"
#include "nocrt.h"
#endif
static void LightApply(mesa3d_ctx_t *ctx, DWORD id)
{
TRACE_ENTRY
if(id >= ctx->light.lights_size)
return;
mesa3d_light_t *light = ctx->light.lights[id];
if(light == NULL)
return;
if(!light->active)
return;
mesa3d_entry_t *entry = ctx->entry;
GLenum lindex = GL_LIGHT0 + light->active_index;
GL_CHECK(entry->proc.pglLightfv(lindex, GL_DIFFUSE, &light->diffuse[0]));
GL_CHECK(entry->proc.pglLightfv(lindex, GL_SPECULAR, &light->specular[0]));
GL_CHECK(entry->proc.pglLightfv(lindex, GL_AMBIENT, &light->ambient[0]));
switch(light->type)
{
case D3DLIGHT_POINT:
TOPIC("LIGHT", "D3DLIGHT_POINT");
GL_CHECK(entry->proc.pglLightfv(lindex, GL_POSITION, &light->pos[0]));
GL_CHECK(entry->proc.pglLightf(lindex, GL_SPOT_EXPONENT, 0.0f));
GL_CHECK(entry->proc.pglLightf(lindex, GL_SPOT_CUTOFF, 180.0f));
GL_CHECK(entry->proc.pglLightf(lindex, GL_CONSTANT_ATTENUATION, light->attenuation[0]));
GL_CHECK(entry->proc.pglLightf(lindex, GL_LINEAR_ATTENUATION, light->attenuation[1]));
GL_CHECK(entry->proc.pglLightf(lindex, GL_QUADRATIC_ATTENUATION, light->attenuation[3]));
break;
case D3DLIGHT_SPOT:
TOPIC("LIGHT", "D3DLIGHT_SPOT");
GL_CHECK(entry->proc.pglLightfv(lindex, GL_POSITION, &light->pos[0]));
GL_CHECK(entry->proc.pglLightfv(lindex, GL_SPOT_DIRECTION, &light->dir[0]));
GL_CHECK(entry->proc.pglLightf(lindex, GL_SPOT_EXPONENT, light->exponent));
GL_CHECK(entry->proc.pglLightf(lindex, GL_SPOT_CUTOFF, (light->phi * 90) / M_PI));
GL_CHECK(entry->proc.pglLightf(lindex, GL_CONSTANT_ATTENUATION, light->attenuation[0]));
GL_CHECK(entry->proc.pglLightf(lindex, GL_LINEAR_ATTENUATION, light->attenuation[1]));
GL_CHECK(entry->proc.pglLightf(lindex, GL_QUADRATIC_ATTENUATION, light->attenuation[3]));
break;
case D3DLIGHT_DIRECTIONAL:
{
TOPIC("LIGHT", "D3DLIGHT_DIRECTIONAL");
GLfloat vd[4];
vd[0] = -light->dir[0];
vd[1] = -light->dir[1];
vd[2] = -light->dir[2];
vd[3] = 0.0f;
/* Note GL uses w position of 0 for direction! */
GL_CHECK(entry->proc.pglLightfv(lindex, GL_POSITION, &vd[0]));
GL_CHECK(entry->proc.pglLightf(lindex, GL_SPOT_EXPONENT, 0.0f));
GL_CHECK(entry->proc.pglLightf(lindex, GL_SPOT_CUTOFF, 180.0f));
GL_CHECK(entry->proc.pglLightf(lindex, GL_CONSTANT_ATTENUATION, 1.0f));
GL_CHECK(entry->proc.pglLightf(lindex, GL_LINEAR_ATTENUATION, 0.0f));
GL_CHECK(entry->proc.pglLightf(lindex, GL_QUADRATIC_ATTENUATION, 0.0f));
break;
}
case D3DLIGHT_PARALLELPOINT:
case D3DLIGHT_GLSPOT:
default:
break;
} // switch(light->type)
}
static void LightData(mesa3d_ctx_t *ctx, DWORD id, D3DLIGHT7 *dxlight)
{
TRACE_ENTRY
if(id >= ctx->light.lights_size)
return;
mesa3d_light_t *light = ctx->light.lights[id];
if(light == NULL)
return;
TOPIC("LIGHT", "LightData light=%X, dxlight=%X", light, dxlight);
light->type = dxlight->dltType;
MESA_D3DCOLORVALUE_TO_FV(dxlight->dcvDiffuse, light->diffuse);
MESA_D3DCOLORVALUE_TO_FV(dxlight->dcvSpecular, light->specular);
MESA_D3DCOLORVALUE_TO_FV(dxlight->dcvAmbient, light->ambient);
light->pos[0] = dxlight->dvPosition.x;
light->pos[1] = dxlight->dvPosition.y;
light->pos[2] = dxlight->dvPosition.z;
light->pos[3] = 1.0;
light->dir[0] = dxlight->dvDirection.x;
light->dir[1] = dxlight->dvDirection.y;
light->dir[2] = dxlight->dvDirection.z;
light->dir[3] = 0.0;
light->attenuation[0] = dxlight->dvAttenuation0;
light->attenuation[1] = dxlight->dvAttenuation1;
light->attenuation[2] = dxlight->dvAttenuation2;
GLfloat range2 = dxlight->dvRange * dxlight->dvRange;
if(range2 >= FLT_MIN)
light->attenuation[3] = 1.4f/range2;
else
light->attenuation[3] = 0.0f; /* 0 or MAX? (0 seems to be ok) */
if(light->attenuation[3] < light->attenuation[2])
light->attenuation[3] = light->attenuation[2];
light->range = dxlight->dvRange;
light->falloff = dxlight->dvFalloff;
light->theta = dxlight->dvTheta;
light->phi = dxlight->dvPhi;
light->exponent = 0.0f;
if(dxlight->dltType == D3DLIGHT_SPOT)
{
/*
* Pre-calculate exponent for spot light,
* comment and algoritm from WINE:
* opengl-ish and d3d-ish spot lights use too different models
* for the light "intensity" as a function of the angle towards
* the main light direction, so we only can approximate very
* roughly. However, spot lights are rather rarely used in games
* (if ever used at all). Furthermore if still used, probably
* nobody pays attention to such details.
*
* Falloff = 0 is easy, because d3d's and opengl's spot light
* equations have the falloff resp. exponent parameter as an
* exponent, so the spot light lighting will always be 1.0 for
* both of them, and we don't have to care for the rest of the
* rather complex calculation.
*/
if(dxlight->dvFalloff)
{
GLfloat rho = dxlight->dvTheta + (dxlight->dvPhi - dxlight->dvTheta) / (2 * dxlight->dvFalloff);
if (rho < 0.0001f)
{
rho = 0.0001f;
}
light->exponent = -0.3f / logf(cosf(rho / 2));
if(light->exponent > 128.0f)
{
light->exponent = 128.0f;
}
}
}
LightApply(ctx, id);
}
static void LightCreate(mesa3d_ctx_t *ctx, DWORD id)
{
TRACE_ENTRY
if(id >= ctx->light.lights_size)
{
DWORD new_size = (id + 8);
if(hal_realloc(HEAP_NORMAL, (void**)&ctx->light.lights, new_size*sizeof(mesa3d_light_t*), TRUE))
{
ctx->light.lights_size = new_size;
}
}
if(ctx->light.lights[id] == NULL)
{
ctx->light.lights[id] = hal_calloc(HEAP_NORMAL, sizeof(mesa3d_light_t), 0);
TOPIC("LIGHT", "Light %d created!", id);
}
}
NUKED_LOCAL void MesaLightDestroyAll(mesa3d_ctx_t *ctx)
{
TRACE_ENTRY
DWORD i;
if(ctx->light.lights)
{
for(i = 0; i < ctx->light.lights_size; i++)
{
if(ctx->light.lights[i] != NULL)
{
hal_free(HEAP_NORMAL, ctx->light.lights[i]);
}
}
hal_free(HEAP_NORMAL, ctx->light.lights);
ctx->light.lights_size = 0;
ctx->light.lights = NULL;
}
}
static void LightActive(mesa3d_ctx_t *ctx, DWORD id, BOOL activate)
{
TRACE_ENTRY
int gl_id = -1;
int i = 0;
if(id >= ctx->light.lights_size)
return;
mesa3d_light_t *light = ctx->light.lights[id];
if(light == NULL)
return;
if(light->active)
{
if(!activate)
{
ctx->entry->proc.pglDisable(GL_LIGHT0 + light->active_index);
light->active = FALSE;
ctx->light.active_bitfield &= ~(1 << light->active_index);
}
}
else
{
if(activate)
{
DWORD t = 1;
for(i = 0; i < VMHALenv.num_light; i++, t <<= 1)
{
if((ctx->light.active_bitfield & t) == 0)
{
gl_id = i;
break;
}
}
if(gl_id >= 0)
{
TOPIC("LIGHT", "light %d actived at position %d", id, gl_id);
light->active = TRUE;
light->active_index = gl_id;
ctx->light.active_bitfield |= 1 << gl_id;
ctx->entry->proc.pglEnable(GL_LIGHT0 + gl_id);
MesaSpaceModelviewSet(ctx);
LightApply(ctx, id);
MesaSpaceModelviewReset(ctx);
}
}
}
}
static void PlaneApply(mesa3d_ctx_t *ctx, DWORD id)
{
mesa3d_entry_t *entry = ctx->entry;
GL_CHECK(entry->proc.pglClipPlane(GL_CLIP_PLANE0 + id,
&ctx->state.clipping.plane[id][0]));
}
NUKED_LOCAL void MesaTLRecalcModelview(mesa3d_ctx_t *ctx)
{
int i;
/* recal clips */
for(i = 0; i < VMHALenv.num_clips; i++)
{
PlaneApply(ctx, i);
}
/* recal lights */
for(i = 0; i < ctx->light.lights_size; i++)
{
if(ctx->light.lights[i] != NULL)
{
if(ctx->light.lights[i]->active)
{
LightApply(ctx, i);
}
}
}
}
#define NEXT_INST(_s) inst = (LPD3DHAL_DP2COMMAND)(prim + (_s))
#define NEXT_INST_TC(_t, _c) inst = (LPD3DHAL_DP2COMMAND)(prim + (sizeof(_t)*(_c)))
// Vertices in an IMM instruction are stored in the
// command buffer and are DWORD aligned
#define PRIM_ALIGN prim = (LPBYTE)((ULONG_PTR)(prim + 3) & ~3)
#define COMMAND(_s) case _s: TRACE("%s", #_s);
#define SET_DIRTY \
ctx->render.dirty = TRUE; \
ctx->render.zdirty = TRUE
NUKED_LOCAL BOOL MesaDraw6(mesa3d_ctx_t *ctx, LPBYTE cmdBufferStart, LPBYTE cmdBufferEnd, LPBYTE vertices, DWORD *error_offset, LPDWORD RStates)
{
TOPIC("READBACK", "MesaDraw6");
mesa3d_entry_t *entry = ctx->entry;
// MesaDrawSetSurfaces(ctx);
LPD3DHAL_DP2COMMAND inst = (LPD3DHAL_DP2COMMAND)cmdBufferStart;
DWORD start, count, base;
int i;
WORD *pos;
LPBYTE verticesDX8 = NULL;
DWORD verticesDX8_stride = 0;
LPBYTE indicesDX8 = NULL;
DWORD indicesDX8_stride = 0; // 2 or 4
if(ctx->state.bind_vertices >= 0)
{
verticesDX8 = ctx->vstream[ctx->state.bind_vertices].mem;
verticesDX8_stride = ctx->vstream[ctx->state.bind_vertices].stride;
}
if(ctx->state.bind_indices_sid > 0)
{
indicesDX8 = SurfaceGetVidMem(ctx->state.bind_indices_sid);
indicesDX8_stride = ctx->state.bind_indices_stride;
}
while((LPBYTE)inst < cmdBufferEnd)
{
LPBYTE prim = (LPBYTE)(inst + 1);
switch((D3DHAL_DP2OPERATION)inst->bCommand)
{
COMMAND(D3DDP2OP_POINTS)
// Point primitives in vertex buffers are defined by the
// D3DHAL_DP2POINTS structure. The driver should render
// wCount points starting at the initial vertex specified
// by wFirst. Then for each D3DHAL_DP2POINTS, the points
// rendered will be (wFirst),(wFirst+1),...,
// (wFirst+(wCount-1)). The number of D3DHAL_DP2POINTS
// structures to process is specified by the wPrimitiveCount
// field of D3DHAL_DP2COMMAND.
TOPIC("DRAW", "DRAW - D3DDP2OP_POINTS, blocks = %d", inst->wPrimitiveCount);
for(i = 0; i < inst->wPrimitiveCount; i++)
{
D3DHAL_DP2POINTS *points = (D3DHAL_DP2POINTS*)prim;
MesaDrawFVFs(ctx, GL_POINTS, vertices, points->wVStart, points->wCount);
prim += sizeof(D3DHAL_DP2POINTS);
}
SET_DIRTY;
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_LINELIST)
// Non-indexed vertex-buffer line lists are defined by the
// D3DHAL_DP2LINELIST structure. Given an initial vertex,
// the driver will render a sequence of independent lines,
// processing two new vertices with each line. The number
// of lines to render is specified by the wPrimitiveCount
// field of D3DHAL_DP2COMMAND. The sequence of lines
// rendered will be
// (wVStart, wVStart+1),(wVStart+2, wVStart+3),...,
// (wVStart+(wPrimitiveCount-1)*2), wVStart+wPrimitiveCount*2 - 1).
TOPIC("DRAW", "DRAW - D3DDP2OP_LINELIST, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount*2);
start = ((D3DHAL_DP2LINELIST*)prim)->wVStart;
MesaDrawFVFs(ctx, GL_LINES, vertices, start, inst->wPrimitiveCount*2);
SET_DIRTY;
NEXT_INST(sizeof(D3DHAL_DP2LINELIST));
break;
COMMAND(D3DDP2OP_LINESTRIP)
// Non-index line strips rendered with vertex buffers are
// specified using D3DHAL_DP2LINESTRIP. The first vertex
// in the line strip is specified by wVStart. The
// number of lines to process is specified by the
// wPrimitiveCount field of D3DHAL_DP2COMMAND. The sequence
// of lines rendered will be (wVStart, wVStart+1),
// (wVStart+1, wVStart+2),(wVStart+2, wVStart+3),...,
// (wVStart+wPrimitiveCount, wVStart+wPrimitiveCount+1).
TOPIC("DRAW", "DRAW - D3DDP2OP_LINESTRIP, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount+1);
start = ((D3DHAL_DP2LINESTRIP*)prim)->wVStart;
MesaDrawFVFs(ctx, GL_LINE_STRIP, vertices, start, inst->wPrimitiveCount+1);
SET_DIRTY;
NEXT_INST(sizeof(D3DHAL_DP2LINESTRIP));
break;
COMMAND(D3DDP2OP_TRIANGLELIST)
// Non-indexed vertex buffer triangle lists are defined by
// the D3DHAL_DP2TRIANGLELIST structure. Given an initial
// vertex, the driver will render independent triangles,
// processing three new vertices with each triangle. The
// number of triangles to render is specified by the
// wPrimitveCount field of D3DHAL_DP2COMMAND. The sequence
// of vertices processed will be (wVStart, wVStart+1,
// vVStart+2), (wVStart+3, wVStart+4, vVStart+5),...,
// (wVStart+(wPrimitiveCount-1)*3), wVStart+wPrimitiveCount*3-2,
// vStart+wPrimitiveCount*3-1).
TOPIC("DRAW", "DRAW - D3DDP2OP_TRIANGLELIST, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount*3);
start = ((D3DHAL_DP2TRIANGLELIST*)prim)->wVStart;
MesaDrawFVFs(ctx, GL_TRIANGLES, vertices, start, inst->wPrimitiveCount*3);
SET_DIRTY;
NEXT_INST(sizeof(D3DHAL_DP2TRIANGLELIST));
break;
COMMAND(D3DDP2OP_TRIANGLESTRIP)
// Non-index triangle strips rendered with vertex buffers
// are specified using D3DHAL_DP2TRIANGLESTRIP. The first
// vertex in the triangle strip is specified by wVStart.
// The number of triangles to process is specified by the
// wPrimitiveCount field of D3DHAL_DP2COMMAND. The sequence
// of triangles rendered for the odd-triangles case will
// be (wVStart, wVStart+1, vVStart+2), (wVStart+1,
// wVStart+3, vVStart+2),.(wVStart+2, wVStart+3,
// vVStart+4),.., (wVStart+wPrimitiveCount-1),
// wVStart+wPrimitiveCount, vStart+wPrimitiveCount+1). For an
// even number of , the last triangle will be .,
// (wVStart+wPrimitiveCount-1, vStart+wPrimitiveCount+1,
// wVStart+wPrimitiveCount).
TOPIC("DRAW", "DRAW - D3DDP2OP_TRIANGLESTRIP, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount+2);
start = ((D3DHAL_DP2TRIANGLESTRIP*)prim)->wVStart;
MesaDrawFVFs(ctx, GL_TRIANGLE_STRIP, vertices, start, inst->wPrimitiveCount+2);
SET_DIRTY;
NEXT_INST(sizeof(D3DHAL_DP2TRIANGLESTRIP));
break;
COMMAND(D3DDP2OP_TRIANGLEFAN)
// The D3DHAL_DP2TRIANGLEFAN structure is used to draw
// non-indexed triangle fans. The sequence of triangles
// rendered will be (wVstart+1, wVStart+2, wVStart),
// (wVStart+2,wVStart+3,wVStart), (wVStart+3,wVStart+4
// wVStart),...,(wVStart+wPrimitiveCount,
// wVStart+wPrimitiveCount+1,wVStart).
TOPIC("DRAW", "DRAW - D3DDP2OP_TRIANGLEFAN, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount+2);
start = ((D3DHAL_DP2TRIANGLEFAN*)prim)->wVStart;
MesaDrawFVFs(ctx, GL_TRIANGLE_FAN, vertices, start, inst->wPrimitiveCount+2);
SET_DIRTY;
NEXT_INST(sizeof(D3DHAL_DP2TRIANGLEFAN));
break;
COMMAND(D3DDP2OP_INDEXEDLINELIST)
// The D3DHAL_DP2INDEXEDLINELIST structure specifies
// unconnected lines to render using vertex indices.
// The line endpoints for each line are specified by wV1
// and wV2. The number of lines to render using this
// structure is specified by the wPrimitiveCount field of
// D3DHAL_DP2COMMAND. The sequence of lines
// rendered will be (wV[0], wV[1]), (wV[2], wV[3]),...
// (wVStart[(wPrimitiveCount-1)*2], wVStart[wPrimitiveCount*2-1]).
TOPIC("DRAW", "DRAW - D3DDP2OP_INDEXEDLINELIST, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount*2);
entry->proc.pglBegin(GL_LINES);
for(i = 0; i < inst->wPrimitiveCount; i++)
{
start = ((D3DHAL_DP2INDEXEDLINELIST*)prim)->wV1;
MesaDrawFVFIndex(ctx, vertices, start);
start = ((D3DHAL_DP2INDEXEDLINELIST*)prim)->wV2;
MesaDrawFVFIndex(ctx, vertices, start);
prim += sizeof(D3DHAL_DP2INDEXEDLINELIST);
}
entry->proc.pglEnd();
SET_DIRTY;
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_INDEXEDLINESTRIP)
// Indexed line strips rendered with vertex buffers are
// specified using D3DHAL_DP2INDEXEDLINESTRIP. The number
// of lines to process is specified by the wPrimitiveCount
// field of D3DHAL_DP2COMMAND. The sequence of lines
// rendered will be (wV[0], wV[1]), (wV[1], wV[2]),
// (wV[2], wV[3]), ...
// (wVStart[wPrimitiveCount-1], wVStart[wPrimitiveCount]).
// Although the D3DHAL_DP2INDEXEDLINESTRIP structure only
// has enough space allocated for a single line, the wV
// array of indices should be treated as a variable-sized
// array with wPrimitiveCount+1 elements.
// The indexes are relative to a base index value that
// immediately follows the command
TOPIC("DRAW", "DRAW - D3DDP2OP_INDEXEDLINESTRIP, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount+1);
base = ((D3DHAL_DP2STARTVERTEX*)prim)->wVStart;
prim += sizeof(D3DHAL_DP2STARTVERTEX);
entry->proc.pglBegin(GL_LINE_STRIP);
for(i = 0; i < inst->wPrimitiveCount+1; i++)
{
start = ((D3DHAL_DP2INDEXEDLINESTRIP*)prim)->wV[0];
MesaDrawFVFIndex(ctx, vertices, base+start);
prim += sizeof(WORD);
}
entry->proc.pglEnd();
SET_DIRTY;
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_INDEXEDTRIANGLELIST)
// The D3DHAL_DP2INDEXEDTRIANGLELIST structure specifies
// unconnected triangles to render with a vertex buffer.
// The vertex indices are specified by wV1, wV2 and wV3.
// The wFlags field allows specifying edge flags identical
// to those specified by D3DOP_TRIANGLE. The number of
// triangles to render (that is, number of
// D3DHAL_DP2INDEXEDTRIANGLELIST structures to process)
// is specified by the wPrimitiveCount field of
// D3DHAL_DP2COMMAND.
// This is the only indexed primitive where we don't get
// an offset into the vertex buffer in order to maintain
// DX3 compatibility. A new primitive
// (D3DDP2OP_INDEXEDTRIANGLELIST2) has been added to handle
// the corresponding DX6 primitive.
TOPIC("DRAW", "DRAW - D3DDP2OP_INDEXEDTRIANGLELIST, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount*3);
entry->proc.pglBegin(GL_TRIANGLES);
for(i = 0; i < inst->wPrimitiveCount; i++)
{
start = ((D3DHAL_DP2INDEXEDTRIANGLELIST*)prim)->wV3;
MesaDrawFVFIndex(ctx, vertices, start);
start = ((D3DHAL_DP2INDEXEDTRIANGLELIST*)prim)->wV2;
MesaDrawFVFIndex(ctx, vertices, start);
start = ((D3DHAL_DP2INDEXEDTRIANGLELIST*)prim)->wV1;
MesaDrawFVFIndex(ctx, vertices, start);
prim += sizeof(D3DHAL_DP2INDEXEDTRIANGLELIST);
}
entry->proc.pglEnd();
SET_DIRTY;
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_INDEXEDTRIANGLESTRIP)
// Indexed triangle strips rendered with vertex buffers are
// specified using D3DHAL_DP2INDEXEDTRIANGLESTRIP. The number
// of triangles to process is specified by the wPrimitiveCount
// field of D3DHAL_DP2COMMAND. The sequence of triangles
// rendered for the odd-triangles case will be
// (wV[0],wV[1],wV[2]),(wV[1],wV[3],wV[2]),
// (wV[2],wV[3],wV[4]),...,(wV[wPrimitiveCount-1],
// wV[wPrimitiveCount],wV[wPrimitiveCount+1]). For an even
// number of triangles, the last triangle will be
// (wV[wPrimitiveCount-1],wV[wPrimitiveCount+1],
// wV[wPrimitiveCount]).Although the
// D3DHAL_DP2INDEXEDTRIANGLESTRIP structure only has
// enough space allocated for a single line, the wV
// array of indices should be treated as a variable-sized
// array with wPrimitiveCount+2 elements.
// The indexes are relative to a base index value that
// immediately follows the command
base = ((D3DHAL_DP2STARTVERTEX*)prim)->wVStart;
prim += sizeof(D3DHAL_DP2STARTVERTEX);
pos = (WORD*)prim;
count = inst->wPrimitiveCount+2;
prim += sizeof(WORD) * count;
TOPIC("DRAW", "DRAW - D3DDP2OP_INDEXEDTRIANGLESTRIP, primitives = %d, vertices = %d", inst->wPrimitiveCount, count);
if(count >= 3)
{
MesaReverseCull(ctx);
entry->proc.pglBegin(GL_TRIANGLE_STRIP);
for(i = 0; i < count; i++)
{
MesaDrawFVFIndex(ctx, vertices, base+pos[i]);
}
entry->proc.pglEnd();
MesaSetCull(ctx);
}
SET_DIRTY;
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_INDEXEDTRIANGLEFAN)
// The D3DHAL_DP2INDEXEDTRIANGLEFAN structure is used to
// draw indexed triangle fans. The sequence of triangles
// rendered will be (wV[1], wV[2],wV[0]), (wV[2], wV[3],
// wV[0]), (wV[3], wV[4], wV[0]),...,
// (wV[wPrimitiveCount], wV[wPrimitiveCount+1],wV[0]).
// The indexes are relative to a base index value that
// immediately follows the command
TOPIC("DRAW", "DRAW - D3DDP2OP_INDEXEDTRIANGLEFAN, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount+2);
base = ((D3DHAL_DP2STARTVERTEX*)prim)->wVStart;
prim += sizeof(D3DHAL_DP2STARTVERTEX);
pos = (WORD*)prim;
prim += sizeof(WORD)*(inst->wPrimitiveCount+2);
entry->proc.pglBegin(GL_TRIANGLE_FAN);
MesaDrawFVFIndex(ctx, vertices, base+pos[0]);
for(i = inst->wPrimitiveCount+1; i >= 1; i--)
{
MesaDrawFVFIndex(ctx, vertices, base+pos[i]);
}
entry->proc.pglEnd();
SET_DIRTY;
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_INDEXEDTRIANGLELIST2)
// The D3DHAL_DP2INDEXEDTRIANGLELIST2 structure specifies
// unconnected triangles to render with a vertex buffer.
// The vertex indices are specified by wV1, wV2 and wV3.
// The wFlags field allows specifying edge flags identical
// to those specified by D3DOP_TRIANGLE. The number of
// triangles to render (that is, number of
// D3DHAL_DP2INDEXEDTRIANGLELIST structures to process)
// is specified by the wPrimitiveCount field of
// D3DHAL_DP2COMMAND.
// The indexes are relative to a base index value that
// immediately follows the command
TOPIC("DRAW", "DRAW - D3DDP2OP_INDEXEDTRIANGLELIST2, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount*3);
base = ((D3DHAL_DP2STARTVERTEX*)prim)->wVStart;
prim += sizeof(D3DHAL_DP2STARTVERTEX);
entry->proc.pglBegin(GL_TRIANGLES);
for(i = 0; i < inst->wPrimitiveCount; i++)
{
start = base + ((D3DHAL_DP2INDEXEDTRIANGLELIST2*)prim)->wV3;
MesaDrawFVFIndex(ctx, vertices, start);
start = base + ((D3DHAL_DP2INDEXEDTRIANGLELIST2*)prim)->wV2;
MesaDrawFVFIndex(ctx, vertices, start);
start = base + ((D3DHAL_DP2INDEXEDTRIANGLELIST2*)prim)->wV1;
MesaDrawFVFIndex(ctx, vertices, start);
prim += sizeof(D3DHAL_DP2INDEXEDTRIANGLELIST2);
}
entry->proc.pglEnd();
SET_DIRTY;
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_INDEXEDLINELIST2)
// The D3DHAL_DP2INDEXEDLINELIST structure specifies
// unconnected lines to render using vertex indices.
// The line endpoints for each line are specified by wV1
// and wV2. The number of lines to render using this
// structure is specified by the wPrimitiveCount field of
// D3DHAL_DP2COMMAND. The sequence of lines
// rendered will be (wV[0], wV[1]), (wV[2], wV[3]),
// (wVStart[(wPrimitiveCount-1)*2], wVStart[wPrimitiveCount*2-1]).
// The indexes are relative to a base index value that
// immediately follows the command
TOPIC("DRAW", "DRAW - D3DDP2OP_INDEXEDLINELIST2, primitives = %d, vertices = %d", inst->wPrimitiveCount, inst->wPrimitiveCount*2);
base = ((D3DHAL_DP2STARTVERTEX*)prim)->wVStart;
prim += sizeof(D3DHAL_DP2STARTVERTEX);
entry->proc.pglBegin(GL_LINES);
for(i = 0; i < inst->wPrimitiveCount; i++)
{
start = base + ((D3DHAL_DP2INDEXEDLINELIST*)prim)->wV1;
MesaDrawFVFIndex(ctx, vertices, start);
start = base + ((D3DHAL_DP2INDEXEDLINELIST*)prim)->wV2;
MesaDrawFVFIndex(ctx, vertices, start);
prim += sizeof(D3DHAL_DP2INDEXEDLINELIST);
}
entry->proc.pglEnd();
SET_DIRTY;
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_TRIANGLEFAN_IMM)
// Draw a triangle fan specified by pairs of vertices
// that immediately follow this instruction in the
// command stream. The wPrimitiveCount member of the
// D3DHAL_DP2COMMAND structure specifies the number
// of triangles that follow. The type and size of the
// vertices are determined by the dwVertexType member
// of the D3DHAL_DRAWPRIMITIVES2DATA structure.
count = (DWORD)inst->wPrimitiveCount + 2;
TOPIC("DRAW", "DRAW - D3DDP2OP_TRIANGLEFAN_IMM, primitives = %d, vertices = %d", inst->wPrimitiveCount, count);
// Get Edge flags (we still have to process them)
//dwEdgeFlags = ((D3DHAL_DP2TRIANGLEFAN_IMM *)prim)->dwEdgeFlags;
prim += sizeof(D3DHAL_DP2TRIANGLEFAN_IMM);
PRIM_ALIGN;
MesaDrawFVFs(ctx, GL_TRIANGLE_FAN, prim, 0, count);
prim += ctx->state.fvf.stride * count;
//PRIM_ALIGN;
SET_DIRTY;
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_LINELIST_IMM)
// Draw a set of lines specified by pairs of vertices
// that immediately follow this instruction in the
// command stream. The wPrimitiveCount member of the
// D3DHAL_DP2COMMAND structure specifies the number
// of lines that follow. The type and size of the
// vertices are determined by the dwVertexType member
// of the D3DHAL_DRAWPRIMITIVES2DATA structure.
count = (DWORD)inst->wPrimitiveCount * 2;
TOPIC("DRAW", "DRAW - D3DDP2OP_LINELIST_IMM, primitives = %d, vertices = %d", inst->wPrimitiveCount, count);
// Primitives in an IMM instruction are stored in the
// command buffer and are DWORD aligned
PRIM_ALIGN;
MesaDrawFVFs(ctx, GL_LINES, prim, 0, count);
prim += ctx->state.fvf.stride * count;
//PRIM_ALIGN;
SET_DIRTY;
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_RENDERSTATE)
// Specifies a render state change that requires processing.
// The rendering state to change is specified by one or more
// D3DHAL_DP2RENDERSTATE structures following D3DHAL_DP2COMMAND.
for(i = 0; i < inst->wStateCount; i++)
{
LPD3DHAL_DP2RENDERSTATE rs = (LPD3DHAL_DP2RENDERSTATE)prim;
MesaSetRenderState(ctx, rs, RStates);
MesaRecState(ctx, rs->RenderState, rs->dwState);
prim += sizeof(D3DHAL_DP2RENDERSTATE);
}
MesaStencilApply(ctx);
MesaDrawRefreshState(ctx);
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_TEXTURESTAGESTATE) // Has edge flags and called from Execute
// Specifies texture stage state changes, having wStateCount
// D3DNTHAL_DP2TEXTURESTAGESTATE structures follow the command
// buffer. For each, the driver should update its internal
// texture state associated with the texture at dwStage to
// reflect the new value based on TSState.
for(i = 0; i < inst->wStateCount; i++)
{
D3DHAL_DP2TEXTURESTAGESTATE *state = (D3DHAL_DP2TEXTURESTAGESTATE *)(prim);
TRACE("D3DHAL_DP2TEXTURESTAGESTATE(%d, %d, %X)", state->wStage, state->TSState, state->dwValue);
// state->wStage = texture unit from 0
// state->TSState = D3DTSS_TEXTUREMAP, D3DTSS_TEXTURETRANSFORMFLAGS, ...
// state->dwValue = (value)
MesaSetTextureState(ctx, state->wStage, state->TSState, &state->dwValue);
MesaRecTMUState(ctx, state->wStage, state->TSState, state->dwValue);
prim += sizeof(D3DHAL_DP2TEXTURESTAGESTATE);
}
MesaDrawRefreshState(ctx);
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_VIEWPORTINFO)
// Specifies the clipping rectangle used for guard-band
// clipping by guard-band aware drivers. The clipping
// rectangle (i.e. the viewing rectangle) is specified
// by the D3DHAL_DP2 VIEWPORTINFO structures following
// D3DHAL_DP2COMMAND
for(i = 0; i < inst->wStateCount; i++)
{
D3DHAL_DP2VIEWPORTINFO *viewport = (D3DHAL_DP2VIEWPORTINFO*)prim;
TOPIC("ZVIEW", "viewport = %d %d %d %d",
viewport->dwX,
viewport->dwY,
viewport->dwWidth,
viewport->dwHeight);
MesaApplyViewport(ctx, viewport->dwX, viewport->dwY, viewport->dwWidth, viewport->dwHeight);
prim += sizeof(D3DHAL_DP2VIEWPORTINFO);
}
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_WINFO)
{
// Specifies the w-range for W buffering. It is specified
// by one or more D3DHAL_DP2WINFO structures following
// D3DHAL_DP2COMMAND.
for(i = 0; i < inst->wStateCount; i++)
{
D3DHAL_DP2WINFO *winfo = (D3DHAL_DP2WINFO*)prim;
prim += sizeof(D3DHAL_DP2WINFO);
TOPIC("DEPTH", "w-buffer range %f - %f", winfo->dvWNear, winfo->dvWFar);
//GL_CHECK(entry->proc.pglDepthRange(winfo->dvWNear, winfo->dvWFar));
GLfloat wmax = NOCRT_MAX(winfo->dvWNear, winfo->dvWFar);
/* scale projection if Wmax is too large */
#if 0
if(wmax > ctx->matrix.wmax)
{
GLfloat sz = GL_WRANGE_MAX/wmax;
if(sz > 1.0)
sz = 1.0f;
ctx->matrix.zscale[10] = sz;
MesaApplyTransform(ctx, MESA_TF_PROJECTION);
ctx->matrix.wmax = wmax;
}
#endif
}
NEXT_INST(0);
break;
}
// two below are for pre-DX7 interface apps running DX7 driver
COMMAND(D3DDP2OP_SETPALETTE)
// Attach a palette to a texture, that is , map an association
// between a palette handle and a surface handle, and specify
// the characteristics of the palette. The number of
// D3DNTHAL_DP2SETPALETTE structures to follow is specified by
// the wStateCount member of the D3DNTHAL_DP2COMMAND structure
TOPIC("PAL", "D3DDP2OP_SETPALETTE cnt=%d", inst->wStateCount);
for(i = 0; i < inst->wStateCount; i++)
{
D3DHAL_DP2SETPALETTE* lpSetPal = (D3DHAL_DP2SETPALETTE*)(prim);
prim += sizeof(D3DHAL_DP2SETPALETTE);
surface_id sid = ctx->surfaces->table[lpSetPal->dwSurfaceHandle];
if(sid)
{
DDSURF *dds = SurfaceGetSURF(sid);
if(dds)
{
dds->dwPaletteFlags = lpSetPal->dwPaletteFlags;
dds->dwPaletteHandle = lpSetPal->dwPaletteHandle;
}
}
}
// skipped
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_UPDATEPALETTE)
{
// Perform modifications to the palette that is used for palettized
// textures. The palette handle attached to a surface is updated
// with wNumEntries PALETTEENTRYs starting at a specific wStartIndex
// member of the palette. (A PALETTENTRY (defined in wingdi.h and
// wtypes.h) is actually a DWORD with an ARGB color for each byte.)
// After the D3DNTHAL_DP2UPDATEPALETTE structure in the command
// stream the actual palette data will follow (without any padding),
// comprising one DWORD per palette entry. There will only be one
// D3DNTHAL_DP2UPDATEPALETTE structure (plus palette data) following
// the D3DNTHAL_DP2COMMAND structure regardless of the value of
// wStateCount.
D3DHAL_DP2UPDATEPALETTE *lpPalUpdate = (D3DHAL_DP2UPDATEPALETTE*)(prim);
prim += sizeof(D3DHAL_DP2UPDATEPALETTE);
DWORD *colors = (DWORD*)prim;
prim += lpPalUpdate->wNumEntries * sizeof(DWORD);
mesa_pal8_t *pal = MesaGetPal(ctx, lpPalUpdate->dwPaletteHandle);
TOPIC("PAL", "D3DHAL_DP2UPDATEPALETTE: wNumEntries=%d, wStartIndex=%d, dwPaletteHandle=%d",
lpPalUpdate->wNumEntries, lpPalUpdate->wStartIndex, lpPalUpdate->dwPaletteHandle);
if(pal)
{
for(i = lpPalUpdate->wStartIndex; i < NOCRT_MIN(lpPalUpdate->wStartIndex + lpPalUpdate->wNumEntries, 256); i++)
{
pal->colors[i] = *colors;
colors++;
}
pal->stamp++;
}
NEXT_INST(0);
break;
}
// New for DX7
COMMAND(D3DDP2OP_ZRANGE)
for(i = 0; i < inst->wStateCount; i++)
{
D3DHAL_DP2ZRANGE *zrange = (D3DHAL_DP2ZRANGE*)prim;
prim += sizeof(D3DHAL_DP2ZRANGE);
TOPIC("DEPTH", "D3DDP2OP_ZRANGE = %f %f", zrange->dvMinZ, zrange->dvMaxZ);
// entry->glDepthRange(zrange->dvMinZ, zrange->dvMaxZ);
// ^JH: I only sees values 0.0 and 1.0, so nothing set when
// something sets here some junk
}
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_SETMATERIAL)
for(i = 0; i < inst->wStateCount; i++)
{
LPD3DHAL_DP2SETMATERIAL material = (LPD3DHAL_DP2SETMATERIAL)prim;
prim += sizeof(D3DHAL_DP2SETMATERIAL);
MESA_D3DCOLORVALUE_TO_FV(material->dcvDiffuse, ctx->state.material.diffuse);
MESA_D3DCOLORVALUE_TO_FV(material->dcvAmbient, ctx->state.material.ambient);
MESA_D3DCOLORVALUE_TO_FV(material->dcvEmissive, ctx->state.material.emissive);
MESA_D3DCOLORVALUE_TO_FV(material->dcvSpecular, ctx->state.material.specular);
if(material->dvPower < 0)
ctx->state.material.shininess = 0;
else if(material->dvPower > 128)
ctx->state.material.shininess = 128;
else
ctx->state.material.shininess = material->dvPower;
MesaApplyMaterial(ctx);
}
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_SETLIGHT)
for(i = 0; i < inst->wStateCount; i++)
{
LPD3DHAL_DP2SETLIGHT lightset = (LPD3DHAL_DP2SETLIGHT)prim;
prim += sizeof(D3DHAL_DP2SETLIGHT);
TOPIC("LIGHT", "light->dwDataType=%d, light->dwIndex=%d", lightset->dwDataType, lightset->dwIndex);
switch(lightset->dwDataType)
{
case D3DHAL_SETLIGHT_ENABLE:
LightActive(ctx, lightset->dwIndex, TRUE);
break;
case D3DHAL_SETLIGHT_DISABLE:
LightActive(ctx, lightset->dwIndex, FALSE);
break;
case D3DHAL_SETLIGHT_DATA:
{
D3DLIGHT7 *light_data = (D3DLIGHT7*)prim;
prim += sizeof(D3DLIGHT7);
TOPIC("LIGHT", "LIGHT DATA %d, index=%d, ptr=%X",
light_data->dltType, lightset->dwIndex, light_data);
MesaSpaceModelviewSet(ctx);
LightData(ctx, lightset->dwIndex, light_data);
MesaSpaceModelviewReset(ctx);
}
} // switch(light->dwDataType)
} // for
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_CREATELIGHT)
for(i = 0; i < inst->wStateCount; i++)
{
D3DHAL_DP2CREATELIGHT *lightcreate = (D3DHAL_DP2CREATELIGHT*)prim;
prim += sizeof(D3DHAL_DP2CREATELIGHT);
LightCreate(ctx, lightcreate->dwIndex);
}
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_SETTRANSFORM)
TRACE("D3DDP2OP_SETTRANSFORM inst->wStateCount=%d", inst->wStateCount);
for(i = 0; i < inst->wStateCount; i++)
{
LPD3DHAL_DP2SETTRANSFORM stf = (LPD3DHAL_DP2SETTRANSFORM)prim;
MesaSetTransform(ctx, stf->xfrmType, &stf->matrix);
prim += sizeof(D3DHAL_DP2SETTRANSFORM);
}
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_EXT)
for(i = 0; i < inst->wStateCount; i++)
{
prim += sizeof(D3DHAL_DP2EXT);
WARN("D3DDP2OP_EXT");
}
NEXT_INST(0);
break;
COMMAND(D3DDP2OP_TEXBLT)
// Inform the drivers to perform a BitBlt operation from a source
// texture to a destination texture. A texture can also be cubic
// environment map. The driver should copy a rectangle specified
// by rSrc in the source texture to the location specified by pDest
// in the destination texture. The destination and source textures
// are identified by handles that the driver was notified with
// during texture creation time. If the driver is capable of
// managing textures, then it is possible that the destination
// handle is 0. This indicates to the driver that it should preload
// the texture into video memory (or wherever the hardware
// efficiently textures from). In this case, it can ignore rSrc and
// pDest. Note that for mipmapped textures, only one D3DDP2OP_TEXBLT
// instruction is inserted into the D3dDrawPrimitives2 command stream.
// In this case, the driver is expected to BitBlt all the mipmap
// levels present in the texture.
for(i = 0; i < inst->wStateCount; i++)
{
// FIXME: do the blit...
WARN("D3DDP2OP_TEXBLT");
prim += sizeof(D3DHAL_DP2TEXBLT);