mirror of
https://github.com/libretro/RetroArch
synced 2025-01-31 06:32:48 +00:00
252 lines
7.2 KiB
C
252 lines
7.2 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2011-2017 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#define CINTERFACE
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#include <retro_miscellaneous.h>
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#include <gfx/math/matrix_4x4.h>
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#ifdef HAVE_CONFIG_H
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#include "../../config.h"
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#endif
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#include "../gfx_display.h"
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#include "../../retroarch.h"
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#include "../common/d3d_common.h"
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#include "../common/d3d8_common.h"
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static const float d3d8_vertexes[] = {
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0, 0,
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1, 0,
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0, 1,
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1, 1
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};
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static const float d3d8_tex_coords[] = {
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0, 1,
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1, 1,
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0, 0,
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1, 0
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};
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static const float *gfx_display_d3d8_get_default_vertices(void)
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{
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return &d3d8_vertexes[0];
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}
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static const float *gfx_display_d3d8_get_default_tex_coords(void)
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{
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return &d3d8_tex_coords[0];
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}
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static void *gfx_display_d3d8_get_default_mvp(void *data)
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{
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static float id[] = { 1.0f, 0.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f, 0.0f,
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0.0f, 0.0f, 1.0f, 0.0f,
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0.0f, 0.0f, 0.0f, 1.0f
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};
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return &id;
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}
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static INT32 gfx_display_prim_to_d3d8_enum(
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enum gfx_display_prim_type prim_type)
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{
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switch (prim_type)
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{
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case GFX_DISPLAY_PRIM_TRIANGLES:
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case GFX_DISPLAY_PRIM_TRIANGLESTRIP:
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return D3DPT_COMM_TRIANGLESTRIP;
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case GFX_DISPLAY_PRIM_NONE:
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default:
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break;
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}
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/* TODO/FIXME - hack */
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return 0;
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}
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static void gfx_display_d3d8_blend_begin(void *data)
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{
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d3d8_video_t *d3d = (d3d8_video_t*)data;
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if (!d3d)
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return;
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IDirect3DDevice8_SetRenderState(d3d->dev, D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
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IDirect3DDevice8_SetRenderState(d3d->dev, D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
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IDirect3DDevice8_SetRenderState(d3d->dev, D3DRS_ALPHABLENDENABLE, true);
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}
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static void gfx_display_d3d8_blend_end(void *data)
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{
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d3d8_video_t *d3d = (d3d8_video_t*)data;
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if (!d3d)
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return;
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IDirect3DDevice8_SetRenderState(d3d->dev, D3DRS_ALPHABLENDENABLE, false);
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}
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static void gfx_display_d3d8_draw(gfx_display_ctx_draw_t *draw,
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void *data,
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unsigned video_width,
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unsigned video_height)
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{
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static float default_mvp[] ={ 1.0f, 0.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f, 0.0f,
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0.0f, 0.0f, 1.0f, 0.0f,
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0.0f, 0.0f, 0.0f, 1.0f
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};
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unsigned i;
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math_matrix_4x4 mop, m1, m2;
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LPDIRECT3DVERTEXBUFFER8 vbo;
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LPDIRECT3DDEVICE8 dev;
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D3DPRIMITIVETYPE type;
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unsigned start = 0;
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unsigned count = 0;
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d3d8_video_t *d3d = (d3d8_video_t*)data;
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Vertex * pv = NULL;
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const float *vertex = NULL;
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const float *tex_coord = NULL;
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const float *color = NULL;
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if (!d3d || !draw || draw->pipeline_id)
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return;
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if ((d3d->menu_display.offset + draw->coords->vertices )
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> (unsigned)d3d->menu_display.size)
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return;
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vbo = (LPDIRECT3DVERTEXBUFFER8)d3d->menu_display.buffer;
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dev = d3d->dev;
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pv = (Vertex*)d3d8_vertex_buffer_lock(vbo);
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if (!pv)
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return;
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pv += d3d->menu_display.offset;
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vertex = draw->coords->vertex;
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tex_coord = draw->coords->tex_coord;
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color = draw->coords->color;
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if (!vertex)
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vertex = &d3d8_vertexes[0];
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if (!tex_coord)
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tex_coord = &d3d8_tex_coords[0];
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for (i = 0; i < draw->coords->vertices; i++)
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{
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int colors[4];
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colors[0] = *color++ * 0xFF;
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colors[1] = *color++ * 0xFF;
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colors[2] = *color++ * 0xFF;
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colors[3] = *color++ * 0xFF;
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pv[i].x = *vertex++;
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pv[i].y = *vertex++;
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pv[i].z = 0.5f;
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pv[i].u = *tex_coord++;
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pv[i].v = *tex_coord++;
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if ((void*)draw->texture)
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{
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D3DSURFACE_DESC desc;
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LPDIRECT3DTEXTURE8 tex = (LPDIRECT3DTEXTURE8)draw->texture;
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if (SUCCEEDED(IDirect3DTexture8_GetLevelDesc(tex,
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0, (D3DSURFACE_DESC*)&desc)))
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{
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pv[i].u *= desc.Width;
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pv[i].v *= desc.Height;
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}
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}
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pv[i].color =
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D3DCOLOR_ARGB(
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colors[3], /* A */
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colors[0], /* R */
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colors[1], /* G */
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colors[2] /* B */
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);
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}
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IDirect3DVertexBuffer8_Unlock(vbo);
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if (!draw->matrix_data)
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draw->matrix_data = &default_mvp;
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/* ugh */
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matrix_4x4_scale(m1, 2.0, 2.0, 0);
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matrix_4x4_translate(mop, -1.0, -1.0, 0);
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matrix_4x4_multiply(m2, mop, m1);
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matrix_4x4_multiply(m1,
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*((math_matrix_4x4*)draw->matrix_data), m2);
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matrix_4x4_scale(mop,
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(draw->width / 2.0) / video_width,
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(draw->height / 2.0) / video_height, 0);
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matrix_4x4_multiply(m2, mop, m1);
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matrix_4x4_translate(mop,
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(draw->x + (draw->width / 2.0)) / video_width,
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(draw->y + (draw->height / 2.0)) / video_height,
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0);
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matrix_4x4_multiply(m1, mop, m2);
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matrix_4x4_multiply(m2, d3d->mvp_transposed, m1);
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d3d_matrix_transpose(&m1, &m2);
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d3d8_set_mvp(dev, &m1);
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if (draw->texture)
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{
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IDirect3DDevice8_SetTexture(dev, 0,
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(IDirect3DBaseTexture8*)draw->texture);
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IDirect3DDevice8_SetTextureStageState(dev, 0,
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(D3DTEXTURESTAGESTATETYPE)D3DTSS_ADDRESSU, D3DTADDRESS_COMM_CLAMP);
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IDirect3DDevice8_SetTextureStageState(dev, 0,
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(D3DTEXTURESTAGESTATETYPE)D3DTSS_ADDRESSV, D3DTADDRESS_COMM_CLAMP);
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IDirect3DDevice8_SetTextureStageState(dev, 0,
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(D3DTEXTURESTAGESTATETYPE)D3DTSS_MINFILTER, D3DTEXF_COMM_LINEAR);
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IDirect3DDevice8_SetTextureStageState(dev, 0,
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(D3DTEXTURESTAGESTATETYPE)D3DTSS_MAGFILTER, D3DTEXF_COMM_LINEAR);
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}
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type = gfx_display_prim_to_d3d8_enum(draw->prim_type);
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start = d3d->menu_display.offset;
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count = draw->coords->vertices -
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((draw->prim_type == GFX_DISPLAY_PRIM_TRIANGLESTRIP)
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? 2 : 0);
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IDirect3DDevice8_BeginScene(dev);
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IDirect3DDevice8_DrawPrimitive(dev, type, start, count);
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IDirect3DDevice8_EndScene(dev);
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d3d->menu_display.offset += draw->coords->vertices;
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}
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gfx_display_ctx_driver_t gfx_display_ctx_d3d8 = {
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gfx_display_d3d8_draw,
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NULL, /* draw_pipeline */
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gfx_display_d3d8_blend_begin,
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gfx_display_d3d8_blend_end,
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gfx_display_d3d8_get_default_mvp,
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gfx_display_d3d8_get_default_vertices,
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gfx_display_d3d8_get_default_tex_coords,
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FONT_DRIVER_RENDER_D3D8_API,
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GFX_VIDEO_DRIVER_DIRECT3D8,
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"d3d8",
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false,
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NULL,
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NULL
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};
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